Display shelf



FIG. 1 is a front perspective view of a display shelf showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings illustrate features of the article that form no part of the claim. 

CLAIM The ornamental design for the display shelf, as shown and described. 